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U-boot prompt does not show in based-OMAPL137 Spectrum Digital EVM

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Hi,

My R+D group is working with based-OMAPL137 EVM (Spectrum digital RevH). Because of some problems, we had to flash the board, using the "DaVinci Serial boot and  Flashing" software, allocated here http://sourceforge.net/projects/dvflashutils/files/OMAP-L137/v2.40/OMAP-L137_FlashAndBootUtils_2_40.tar.gz/download.

We are working in a Linux environment, so, following the instruction at the wiki page http://processors.wiki.ti.com/index.php/Serial_Boot_and_Flash_Loading_Utility_for_OMAP-L137, open a terminal and write the next commands:

sudo mono ./sfh_OMAP-L137.exe -flash_dsp dsp-spi-ais.bin ubl-spi.bin u-boot.bin

The result is attached for seeing the details.. It seems EVM flashing is done ok. Previously, I could see the BOOTME prompt, selecting UART2 mode. Moreover, the three bootloaders have been copied from the PSP Release directory, so everything should perform. However, it is not true.

At the following step, when I change the micro-switches in order to select the SPIFLASH0 mode, power on the EVM and the u-boot prompt does not show in the terminal ( I am using minicom as a serial port and its configuration is ok). Instead of that prompt, I can see the next message:

Booting with TI UBL

Device OPP (300MHz, 1.2V)

After every reset of the EVM, I recieve the same messages... How can I restore the EVM and see the u-boot prompt again?? Before doing modifications at the EVM, I could run a NFS file system, changing environment variables of u-boot and so on.. What does EVM need?? Any suggestion or advise would be appreciated!

Thanks in advance

Óscar


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